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未成熟牛卵母细胞与成熟牛卵母细胞冷冻保存的比较 被引量:1

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摘要 试验以OPS玻璃化冷冻为方法,以成熟和未成熟牛卵母细胞为材料,研究冷冻保存效果与卵母细胞成熟度的关系。一组将牛卵母细胞从牛卵巢内取出后直接进行冷冻,另一组将牛卵母细胞从牛卵巢内取出后先置于TCM199+FSH的培养液中培养20~22h,即进行体外成熟后再进行两步法冷冻,两步法解冻后检测卵母细胞的存活率。结果表明,牛体外成熟卵母细胞冷冻效果较未成熟卵母细胞冷冻效果好,卵母细胞的存活率为48.1%,未成熟牛卵母细胞冷冻效果较成熟卵母细胞冷冻效果差,卵母细胞的存活率为35.1%。
出处 《畜牧与饲料科学》 2008年第5期26-27,共2页 Animal Husbandry and Feed Science
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